al megrahi was the only person convicted for the bombing of the pan am 103 flight over lockerbie scotland and then released from prison two years ago on the grounds he had cancer and only a few months to live. looking frail and in a wheelchair was introduced at the rallies as a victim of a conspiracy. >>> 21-year-old man from ubez stan charged with threatening to kill president obama. the justice department says the suspect was arrested in alabama earlier this month. after obtaining a machine gun and grenades from undercover agents. officials say he was in the u.s. illegally after his student visa was revoked. he was indicted yesterday on four counts of threatening to kill the president. >>> oregon congressman david wu says he's stepping down after allegations he made unwanted sexual advances toward a fund-raiser's 18-year-old daughter. wu has been in congress since 1998. he was the first chinese mn american to serve in the house. he plans to leave after the debt ceiling crisis is resolved. wu's resignation follow's anthony weiner's fall from grace as well. >> rod blagojevich claims he wa